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Code Issues Releases Wiki Activity

feat(crypto): Add TapSigHash to Hasher.

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This commit is contained in:
Andrew Kozlik 2021-11-10 12:42:22 +01:00 committed by Andrew Kozlik
parent 78a9ab8123
commit 1f4573905f
2 changed files with 11 additions and 0 deletions
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10
crypto/hasher.c
View File

@ -23,6 +23,11 @@
#include "hasher.h" #include "hasher.h"
#include "ripemd160.h" #include "ripemd160.h"
const uint32_t sha256_initial_tapsighash_state[8] = {
0xf504a425UL, 0xd7f8783bUL, 0x1363868aUL, 0xe3e55658UL,
0x6eee945dUL, 0xbc7888ddUL, 0x02a6e2c3UL, 0x1873fe9fUL,
};
void hasher_InitParam(Hasher *hasher, HasherType type, const void *param, void hasher_InitParam(Hasher *hasher, HasherType type, const void *param,
uint32_t param_size) { uint32_t param_size) {
hasher->type = type; hasher->type = type;
@ -35,6 +40,9 @@ void hasher_InitParam(Hasher *hasher, HasherType type, const void *param,
case HASHER_SHA2_RIPEMD: case HASHER_SHA2_RIPEMD:
sha256_Init(&hasher->ctx.sha2); sha256_Init(&hasher->ctx.sha2);
break; break;
case HASHER_SHA2_TAPSIGHASH:
sha256_Init_ex(&hasher->ctx.sha2, sha256_initial_tapsighash_state, 512);
break;
case HASHER_SHA3: case HASHER_SHA3:
#if USE_KECCAK #if USE_KECCAK
case HASHER_SHA3K: case HASHER_SHA3K:
@ -72,6 +80,7 @@ void hasher_Update(Hasher *hasher, const uint8_t *data, size_t length) {
case HASHER_SHA2: case HASHER_SHA2:
case HASHER_SHA2D: case HASHER_SHA2D:
case HASHER_SHA2_RIPEMD: case HASHER_SHA2_RIPEMD:
case HASHER_SHA2_TAPSIGHASH:
sha256_Update(&hasher->ctx.sha2, data, length); sha256_Update(&hasher->ctx.sha2, data, length);
break; break;
case HASHER_SHA3: case HASHER_SHA3:
@ -98,6 +107,7 @@ void hasher_Update(Hasher *hasher, const uint8_t *data, size_t length) {
void hasher_Final(Hasher *hasher, uint8_t hash[HASHER_DIGEST_LENGTH]) { void hasher_Final(Hasher *hasher, uint8_t hash[HASHER_DIGEST_LENGTH]) {
switch (hasher->type) { switch (hasher->type) {
case HASHER_SHA2: case HASHER_SHA2:
case HASHER_SHA2_TAPSIGHASH:
sha256_Final(&hasher->ctx.sha2, hash); sha256_Final(&hasher->ctx.sha2, hash);
break; break;
case HASHER_SHA2D: case HASHER_SHA2D:

1
crypto/hasher.h
View File

@ -38,6 +38,7 @@ typedef enum {
HASHER_SHA2, HASHER_SHA2,
HASHER_SHA2D, HASHER_SHA2D,
HASHER_SHA2_RIPEMD, HASHER_SHA2_RIPEMD,
HASHER_SHA2_TAPSIGHASH,
HASHER_SHA3, HASHER_SHA3,
#if USE_KECCAK #if USE_KECCAK